Question about Harley Davidson FLHTCUI Electra Glide Ultra Classic Motorcycles

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Last time out the engine would die when when I pulled in the clutch & rpm dropped. It did this three or 4 times. I have drained the tanks filled up with fresh gas. Diagnostics code came up "5 6". Started & idled fine after changing gas. Went to take it out at a later date , started beautifully, back out of the shed,got off & it died. Battery has been on a battery tender & checks good. Now when I turn on the switch it begins to boot up, all electric goes out. Sounds like the circuit breaker clicks then resets begins the cycle again.

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  • crouseb1 Sep 06, 2009

    I have always used'Stabil' gas traetment. Also after I drained the tanks & refilled with fresh gas I let the bike idle for a very long time, ( until the cooling fan kicked on) so I don't think I have a fuel problem.

    The relay does'nt chatter. It clicks, then several secounds later the dask begins to light up then the realy clicks again & things go blank.

    The manual says a "5 6" code indicates a cam position sensor or crank position sensor problem

  • crouseb1 Sep 06, 2009

    Yes, I have the HD manual, I alread inspected the cam sensoe visually.

    I can't get it to stay on long enough to check the codes agin.

  • crouseb1 Sep 06, 2009

    I was a copier/computer tecnician for 30 years. I have several meters including a good Fluke & an old reliable simpson analog. I haven't found how to check the sensor in the manual. I'm guessing it may be a hall effect sensor.

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It does sound like you have two problems happening at the same time.

one solution may fix both and it's a very simple one. buy a bottle of gas line anti-freeze (it absorbs water). i realize you drained the tank but many gas stations seem to have some water in their tanks. i presume that you are in the states (or canada) and if you are in the northern part it's fall there so more condensation this time of year.

second issue may be a relay that is failing. you will need to locate the relays on the bike (i believe they are under the seat). and listen when you power up the bike for one that chatters. if you hear that you'll just have to put your finger on each till you find the right one (unless you have the diagram)


robert

Posted on Sep 06, 2009

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  • Roberta Smith
    Roberta Smith Sep 06, 2009

    ok i would say the reason the relay clicks the second time is it has found the error and shut down. do you have the service manual ? the cam position sensor is usually easy to get to but i don't have the service manual for that bike at the moment.



    robert

  • Roberta Smith
    Roberta Smith Sep 06, 2009

    i believe you would check that with a multimeter. there should be something in the manual about testing them. chances are if it will not run at all now the sensor has failed complete. have a look tho at the specs on it and if you have a meter you can test it. or if you are near an autozone take the sensor in and ask them to test it. or buy a meter as they are inexpensive (unless you want the deluxe brand such as a fluke). i picked up a digital one while i'm in australia for about $16

  • Roberta Smith
    Roberta Smith Sep 06, 2009

    that sounds about right. i dug this up if it helps you test it



    To function correctly, a Hall-Effect sensor must have power voltage and ground applied to it. If the power, ground, or signal wire are open, the sensor can't operate. A short to ground on either the power wire or the signal wire also eliminates the RPM signal.



    robert

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